nginx-non-root: add autoindex

nginx-non-root/Dockerfile

@@ -7,6 +7,7 @@ LABEL org.opencontainers.image.source = "https://github.com/mcsps/docker-images"
 RUN apk add --update --no-cache bash curl wget git busybox-extras mysql-client && apk upgrade
 # implement changes required to run NGINX as an unprivileged user
 RUN sed -i -e '/listen/!b' -e '/80;/!b' -e 's/80;/8080;/' /etc/nginx/conf.d/default.conf \
+    && sed -i -e '/    index  index.html index.htm;/a \ \ \ \     autoindex on;' /etc/nginx/conf.d/default.conf \
     && sed -i -e '/user/!b' -e '/nginx/!b' -e '/nginx/d' /etc/nginx/nginx.conf \
     && sed -i 's!/var/run/nginx.pid!/tmp/nginx.pid!g' /etc/nginx/nginx.conf \
     && sed -i "/^http {/a \    proxy_temp_path /tmp/proxy_temp;\n    client_body_temp_path /tmp/client_temp;\n    fastcgi_temp_path /tmp/fastcgi_temp;\n    uwsgi_temp_path /tmp/uwsgi_temp;\n    scgi_temp_path /tmp/scgi_temp;\n" /etc/nginx/nginx.conf